var registeredImages = new Object();

var numberToPreload = 6;
var preloadCount = 0;

function registerImage( id, image, html, caption ) {
registeredImages[id] = new Object();
registeredImages[id].image = image;
registeredImages[id].html = html;
registeredImages[id].caption = caption;

if ( preloadCount < numberToPreload ) {
  var imagePreloader = new Image();
  imagePreloader.src = image;
  preloadCount++;
}
}

var allPreloaded = 0;
var selectedImageID = "original_image";
function displayImage( id ) {
if ( id == selectedImageID ) return;

if (registeredImages[selectedImageID].ciuAnnoContainer) {
  registeredImages[selectedImageID].ciuAnnoContainer.hide();
}
selectedImageID = id;

document.getElementById('prodImageCell').innerHTML = registeredImages[id].html;
//document.getElementById('prodImageCaption').innerHTML = registeredImages[id].caption;

for ( elementID in registeredImages ) {
  var imageThumbnail = document.getElementById(elementID);
  if (imageThumbnail != null) {
//imageThumbnail.style.border = '1px solid #999999';
  }
  if ( !allPreloaded ) {
    var imagePreloader = new Image();
    imagePreloader.src = registeredImages[elementID].image;
  }
}

//document.getElementById(id).style.border = '1px solid #99000';

allPreloaded = 1;

if (registeredImages[id].ciuAnnoContainer) {
  registeredImages[id].ciuAnnoContainer.show();
}

}